The shock cord version of these ice axe/trekking pole loops are small loops made out of 1/8" shock cord and a cord lock that provide a secure storage location for trekking poles, an ice axe, or both. This version is completely removable.
 
Weight is .3oz per pair, or .6oz for a pair on both sides of the pack. 
 
Selecting qty 1 gets you two total loops, or one pair of loops. Selecting qty 2 gets you four total loops or two pairs.